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Round|Lab Grown|IGI

5.51ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG689507047

Shape and cutting style on the report: Round brilliant

Certificate IGI LG689507047

Diamond specifications and retailer prices

From $1,013 USD
As of October 29, 2026
Save $3,125 USD (76%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,138 USD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 5.51ct lab-grown round diamond

This 5.51ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG689507047 or 689507047. Listed at 13 retailers as of October 29, 2026, with prices from $1,013 to $4,138, a $3,125 spread on the same certified stone. Taylor and Hart lists it at $4,138. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

5.51
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689507047
Dimensions11.35 × 11.39 × 6.89 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.35 mm11.39 mm5.51 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689507047
Side View
Table 60.0%Crown 35.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,704 USD|Low: $811 USD|High: $4,076 USD|Avg: $2,002 USD|-3.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 3$811 USD
Retailer 9$1,013 USD
Retailer 8$1,103 USD
Retailer 12$1,176 USD
Retailer 1$1,704 USD
Retailer 2$1,877 USD
Retailer 6$1,894 USD
Retailer 10$2,203 USD
Retailer 4$2,219 USD
Retailer 7$2,380 USD
Retailer 11$3,678 USD
Retailer 5$4,008 USD

15 data points across 12 retailers

13 retailers$1,013 USD to $4,138 USD

A
Cheapest Retailer
-
$1,013 USD
Retailer 2
-
$1,103 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
$1,176 USD
View
B+
Retailer 4
-
$1,704 USD
£1,342 GBP
View
B+
Retailer 5
-
$1,877 USD
View
B+
Retailer 6
-
$1,894 USD
€1,804 EUR
View
B+
Retailer 7
-
$2,203 USD
View
B+
Retailer 8
-
$2,219 USD
View
Retailer 9
-
$2,380 USD
A$3,662 AUD
View
Price last confirmed 9 days ago
B
Retailer 10
-
$3,530 USD
View
B
Retailer 11
-
$3,678 USD
View
B
Retailer 12
-
$4,008 USD
£3,156 GBP
View
Most Expensive
B
Taylor and Hart
4DWGE26 · Oct 30
$4,138 USD
View
12 more retailers have this diamond
Prices start from $1,013 USDSave up to $3,125 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
5.51ct Round
$1,013 USD